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Estimating a Classifier Performance Just by Looking at the Distributions
Author(s): Michelangiolo Mazzeschi Originally published on Towards AI. Most of the time, when our AI is not performing as we wish, we might blame the algorithms behind the model. However, a programmer with enough experience knows that the quality of the data …
Data Scientist Types
Author(s): Chan Naseeb Originally published on Towards AI. What kind of data scientists do you come across in the market? Photo by Franki Chamaki on Unsplash I have seen different types of people around carrying out and using the title of a …
Outlier Detection (Part 2): Multivariate
Author(s): Mishtert T Originally published on Towards AI. Analyze even better — For Better Informed Decision Mahalanobis distance U+007C Robust estimates (MCD): Example in R Original Image Seen Here In Part 1 (outlier detection: univariate), we learned how to use robust methods …
Outlier Detection (Part 1): Univariate
Author(s): Mishtert T Originally published on Towards AI. Analyze even better — For Better Informed Decision Robust Statistics: Example in R Making a Point A popular tool for outlier detection is Calculate z-score for each observation. Flag observation as an outlier if …
Identify Claims, Check or Accounting Fraud: One Simple Check
Author(s): Mishtert T Originally published on Towards AI. Fraud Detection U+007C Implementation Example in R Quick Way to Identify, Filter & Test Assumption of Fraud Photo by Marvin Ronsdorf on Unsplash Law of Anomalous Numbers (Benford’s Law) If you are reading a …
Artificial Intelligence
Author(s): Dhairya Kumar Originally published on Towards AI. Intro to Machine Learning, No Math Involved U+007C Towards AI Demystifying Machine Learning A gentle introduction to the scientific field of machine learning with no math involved Machine learning is one of the most …
The Covariance and Correlation Clutter…
Author(s): Astha Puri Originally published on Towards AI. For the longest time, I remember being confused between these two devils — covariance and correlation. And the resemblance DID NOT help! 🙁 So here I am, writing my first post and making an …
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